1028257-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1028257-98-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,2,5 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1028257-98:
(9*1)+(8*0)+(7*2)+(6*8)+(5*2)+(4*5)+(3*7)+(2*9)+(1*8)=148
148 % 10 = 8
So 1028257-98-8 is a valid CAS Registry Number.